Add links to sections within Postgres manual
Link directly to the referenced portion of the Postgres Manual, for more
Added source links to new Intermediate items
Start an intermediate Ruby section
Block parameters source: http://blog.codahale.com/2005/11/24/a-ruby-howto-writing-a-method-that-uses-code-blocks/
Hashes source: http://www.jasimabasheer.com/posts/meta_introduction_to_ruby.html
Add iOS trail link to README
Add iOS trail
Add Ruby Core Documentation link to Ongoing Reference section
Also capitalize headings.
Noted that "Well-Grounded Rubyist" is paid
[#32] Add TDD validations from xUnit Test Patterns
Add David Black's The Well-Grounded Rubyist
[#26] Added "Mocks Aren't Stubs"
Merge remote-tracking branch 'kerrick/master'
add mocking and stubbing to tdd trail
[#14] Apply template to TDD trail
[#21] Identify paid resources with dollar sign
[#13] Apply template to Ruby trail
* Add Ruby Koans
* Add sections of the Pickaxe
[#17] Add Michael Hartl's Rails Tutorial
[#12] Apply template to refactoring trail
[#20] Add gitready as critical learning for git
* Add advanced git validation.
[#15] Add gitcasts for git critical learning
* Good for visual learners.
* Restrict to normal workflow and distributed workflow.
[#10] Apply sections template to Vim trail
[#7] Apply sections template to Rails trail
* Use relative links in README.
[#6] Apply sections template to Postgres trail
[#3] Create template for trail sections
* Use git trail as template.
* Name sections "Critical learning", "Validation", "Ongoing Reference".
[#2] Improve shell command formatting
[#1] Import from internal wiki